CVE-2023-40560
WordPress Schedule Posts Calendar Plugin <= 5.2 is vulnerable to Cross Site Scripting (XSS)
Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Greg Ross Schedule Posts Calendar plugin <= 5.2 versions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
WordPress Schedule Posts Calendar Plugin <= 5.2 is vulnerable to Cross Site Scripting (XSS)
Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Greg Ross Schedule Posts Calendar plugin <= 5.2 versions.
- Record
CVE-2023-40560- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2023-45131
Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Greg Ross Schedule Posts Calendar plugin <= 5.2 versions.
- Record
EUVD-2023-45131- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xv5q-xvvq-gvcm
Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Greg Ross Schedule Posts...
Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Greg Ross Schedule Posts Calendar plugin <= 5.2 versions.
- Record
GHSA-xv5q-xvvq-gvcm- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Greg Ross Schedule Posts Calendar plugin <= 5.2 versions.
- Record
CVE-2023-40560- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L - CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-40560 is a medium vulnerability (CVSS 5.9) in Greg Ross Schedule Posts Calendar, published September 6, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 31st percentile. No source names a fixed version.